Infested Pit Fragment

So I recently defeated the new and updated Infested Pit on my new account. I already had defeated the new and updated Sewer dungeon and used the dungeon shop to get cool items. Now, I got couple of Infested Pit Fragments and I can't spend them in a shop. I looked at the shop 3 times and still couldn't see anything to be bought with Infested Pit Fragments so is this a glitch, I'm stupid or you can use it somewhere else?

 

At the Forgery you can buy Dungeon Teleport Scrolls with those Fragments.

 

ty

 

"Wrong" - Trump 2016
In towns there are dungeon scroll merchants and you can buy them from there not the forgery as the forgery is for corrupted dungeons

 

You receive three fragments for the dungeon you completed. In most cases, the fragments can only be used to buy Dungeon Scrolls (which the merchants are located in most towns and at the Forgery, though the Forgery has the corrupted dungeon scrolls).

There also may be the chance where the dungeon you have done uses the fragments to buy actual rewards, these including powders and skill point potions. For example, the Decrepit Sewers Dungeon Shop exchanges fragments for Tier I powders.